Anyone know the correct name for these. I have discovered that these pesci little rubber seals under the air intake cover, which houses the Throttle body, could well be the cause of many unwanted codes, which when the rubber seals are perished enough, they will allow air to be sucked in the top cover and gives a false reading of such things like, timing chain or Throttle body. So naturally you spend an absolute fortune sorting it out, when these may have been a major factor